public class OverLoad{
	public static void main(String[] args){
		Mylei ss=new Mylei();
		System.out.println(ss.colcum(7,9));
	}
}

class Mylei{
	public int colcum(int n,int m){
		return n+m;
	}
	public float colcum(int n,float m){
		return n+m;
	}
	public double colcum(int n,double m){
		return n+m;
	}
	public int colcum(int n,int m,int s){
		return n+m+s;
	}
	


}